Ireland, Egilsstadhir, Austurland, Iceland Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Ireland, Egilsstadhir, Austurland, Iceland
AQI Trends: Highest and Lowest
Same Day Analysis (16th September ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 23 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 16th Sep - 17th Sep 2025
Ireland, Egilsstadhir, Austurland, Iceland
5 AM16th Sep 2025
8 PM
4 AM17th Sep 2025
30AQI
15AQI
24AQI
15AQI
In the last 24 hours,
Ireland's AQI reached its highest point of 30 at 8 AM during the Day, while the lowest point, 15, was recorded at 2 AM during the Night between 16th Sep and 17th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Ireland, Egilsstadhir, Austurland, Iceland
8°C4/10°C
11°C5/18°C
9°C5/14°C
11°C4/16°C
12°C7/18°C
12°C6/19°C
13°C8/17°C
12°C9/16°C
11°C7/13°C
10°C8/14°C
9°C7/12°C
10°C6/14°C
10°C7/12°C
8°C5/10°C
9°C7/11°C
8°C5/10°C
7°C5/10°C
9°C5/14°C
9°C5/13°C
7°C4/11°C
8°C6/10°C
9°C7/11°C
9°C5/13°C
6°C3/9°C
7°C4/11°C
7°C5/9°C
7°C4/10°C
8°C4/12°C
8°C4/12°C
4°C0/6°C
--°C/°C
26AQI
22AQI
25AQI
22AQI
2025 Days Vs Air Quality
Ireland, Egilsstadhir, Austurland, Iceland
99%
257
0.7%
2
Total number of days with different AQI categories in last 260 days in 2025 (105 days remaining)
Under WHO’s Safe Air Quality Limits: 99%
Health Risk Level:
Very Low
In 2025, 99% of 260 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Ireland, Egilsstadhir, Austurland, Iceland
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
33AQI
29AQI
26AQI
33AQI
26AQI
19AQI
24AQI
25AQI
21AQI
22AQI
24AQI
24AQI
24AQI
23AQI
20AQI
19AQI
23AQI
20AQI
23AQI
22AQI
22AQI
24AQI
23AQI
21AQI
19AQI
19AQI
21AQI
21AQI
22AQI
24AQI
40AQI
21AQI
19AQI
21AQI
23AQI
22AQI
26AQI
28AQI
26AQI
24AQI
23AQI
30AQI
21AQI
21AQI
22AQI
24AQI
24AQI
25AQI
25AQI
39AQI
25AQI
23AQI
23AQI
22AQI
19AQI
19AQI
20AQI
17AQI
18AQI
20AQI
32AQI
25AQI
20AQI
20AQI
19AQI
21AQI
21AQI
19AQI
20AQI
25AQI
18AQI
21AQI
18AQI
18AQI
18AQI
16AQI
16AQI
21AQI
27AQI
29AQI
25AQI
25AQI
19AQI
27AQI
31AQI
21AQI
24AQI
19AQI
20AQI
37AQI
32AQI
31AQI
26AQI
30AQI
17AQI
14AQI
16AQI
16AQI
16AQI
12AQI
14AQI
16AQI
19AQI
13AQI
15AQI
17AQI
22AQI
23AQI
19AQI
13AQI
15AQI
12AQI
13AQI
14AQI
14AQI
14AQI
11AQI
15AQI
13AQI
12AQI
16AQI
19AQI
12AQI
14AQI
14AQI
20AQI
20AQI
16AQI
15AQI
16AQI
17AQI
16AQI
17AQI
17AQI
20AQI
17AQI
16AQI
14AQI
14AQI
12AQI
13AQI
13AQI
15AQI
14AQI
13AQI
17AQI
16AQI
16AQI
19AQI
17AQI
20AQI
14AQI
15AQI
17AQI
15AQI
18AQI
16AQI
15AQI
19AQI
22AQI
24AQI
19AQI
19AQI
19AQI
21AQI
24AQI
21AQI
23AQI
19AQI
17AQI
19AQI
15AQI
13AQI
17AQI
20AQI
19AQI
19AQI
22AQI
27AQI
27AQI
22AQI
19AQI
26AQI
14AQI
21AQI
19AQI
23AQI
20AQI
19AQI
16AQI
18AQI
20AQI
20AQI
21AQI
22AQI
26AQI
31AQI
23AQI
21AQI
33AQI
51AQI
58AQI
44AQI
37AQI
42AQI
26AQI
21AQI
18AQI
19AQI
18AQI
16AQI
25AQI
31AQI
30AQI
27AQI
28AQI
38AQI
39AQI
21AQI
19AQI
20AQI
20AQI
19AQI
24AQI
32AQI
32AQI
37AQI
17AQI
16AQI
17AQI
18AQI
18AQI
15AQI
16AQI
15AQI
16AQI
18AQI
28AQI
27AQI
23AQI
25AQI
22AQI
33AQI
42AQI
36AQI
18AQI
19AQI
24AQI
19AQI
28AQI
29AQI
22AQI
19AQI
29AQI
25AQI
24AQI
26AQI
29AQI
23AQI
24AQI
23AQI
22AQI
17AQI
16AQI
19AQI
25AQI
24AQI
26AQI
No. of days
202522AQI
Highest AQI recorded in
September26AQI
Lowest AQI recorded in
May16AQI
202420AQI
Highest AQI recorded in
November25AQI
Lowest AQI recorded in
March6AQI
20239AQI
Highest AQI recorded in
December9AQI
Lowest AQI recorded in
November7AQI
20201AQI
Highest AQI recorded in
July1AQI
Lowest AQI recorded in
July1AQI
Most & Least Polluted Years Over the Last 4 Years
Ireland's annual 2025 AQI (22) shows an average percentage change of 740.7% (worsened AQI) compared to previous years: 2020 (1), 2023 (9), 2024 (20).